South Williamsport High School - Class of 1990 Alumni
Join thousands of alumni from South Williamsport High School and the Class of 1990. Reconnect with classmates, photos, yearbooks, upcoming reunions.
Varsity Football Schedule 2026-27
08/27 vs North Penn‑Mansfield
09/03 vs Sayre
09/11 vs Montgomery
09/17 vs Athens
09/24 vs Canton
10/01 vs Muncy
10/08 vs Wyalusing Valley
10/15 vs Cowanesque Valley
10/22 vs Wellsboro
10/29 vs Central Columbia
09/03 vs Sayre
09/11 vs Montgomery
09/17 vs Athens
09/24 vs Canton
10/01 vs Muncy
10/08 vs Wyalusing Valley
10/15 vs Cowanesque Valley
10/22 vs Wellsboro
10/29 vs Central Columbia
Upcoming Class of 1990 Reunions
Browse past reunion events and photos for your class here.Past Class of 1990 Reunions
Browse past reunion events and photos for your class here.South Williamsport '90 Apparel
Browse our apparel store for a wide range of Mountaineers gear, from t-shirts and hoodies, to caps and accessories.
Class Yearbook
View past yearbooks
Connect with Class of 1990 Classmates
Nearby South Williamsport Classmates
Class of 1988
7 classmates have joined
Class of 1989
7 classmates have joined
Class of 1991
6 classmates have joined
Class of 1992
12 classmates have joined